/Engine/Source/Runtime/AudioExtensions/Public/IAudioExtensionPlugin.h
Called when a source is assigned to a voice.
virtual void OnInitSource ( const uint32 SourceId, const [FName](API\Runtime\Core\UObject\FName) & AudioComponentUserId, const uint32 NumChannels, [UOcclusionPluginSourceSettingsBase](API\Runtime\AudioExtensions\UOcclusionPluginSourceSettingsBa-) * InSettings )